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Windows 7: Remove XP from a dual boot system


22 Mar 2011   #11
Microsoft MVP

W 7 64-bit Ultimate
 
 

Quote   Quote: Originally Posted by gregrocker View Post
I'm not sure what Steps you're talking about.



I wasn't sure either.


My System SpecsSystem Spec
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22 Mar 2011   #12
EdB

Windows 7
 
 

After the failure last night I image-restored the system to where it was before I started, so I'll be starting from scratch.

By steps, I meant in the original "recover space..." post, Step 1 being Mark Windows 7 partition as active; #2: Wipe XP partition and #3 Recover the space. I was just asking at which step I should try the Rescue Kit disk gregrocker recommended.

I'm going to try one more time with that disk handy just in case.

Ed
My System SpecsSystem Spec
22 Mar 2011   #13
Microsoft MVP

 

You would use the Rescue Disk to change back the drive letter if it locks you out of the OS with non-Geniune error again.

Here is how I remove first-partition XP from Dual Boot which has always worked for me:

Boot PW CD, rightclick XP Partition>Delete, OK.

Next rightclick Windows 7 partition>Modify>Set Active, OK. Then rightclick Windows 7>Resize, drag left grey border all the way to the left, OK.

Finally from the DIsk tab, click Rebuild MBR, OK. Apply all steps.

If Windows 7 doesn't start, boot into DVD Repair console or Repair CD, accept any offered Repair, if Windows 7 doesn't start on reboot boot back in to Recovery Option to run Startup Repair up to 3 separate times with reboots until Windows 7 starts.

I am concerned about the page file being on a separate HD and how it might affect these operations, only because I haven't seen it before in this situation. I wonder what others think.

If nothing that has been mentioned works (including Startup Repair, reactivating in Safe Mode, etc) then you can consider converting the WindowsImageBackup C drive .vhd file (judged by size when you browse into the sub-folder) to an Acronis .tib image to apply it alone to a single partition as Acronis allows. It works after Startup Repair and secures the drive letter up front.

If you have WD or Seagate HD's in the mix, Acronis has a free app on their Support Downloads webpage for your model.
My System SpecsSystem Spec
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22 Mar 2011   #14
EdB

Windows 7
 
 

OK!

Everything went exactly as before - ended up at the "not genuine" lockout. This time I put in the Paragon rescue disk gregrocker recommended and rebooted. After working with it, I think I've figured out the problem.

This machine is an 8+ year old Dell Dimension 8400. I've added drives, memory and a new video card to it over the years, but I never reformatted the C: drive. Dell installed in the first partition (just 78mb) some sort of OEM recovery software, and that appears to have been the problem.

The rescue disk would not reassign the Windows 7 partition to drive C until I released the OEM partition from drive C - at least I think that's what it was labeled, it wasn't clear - just lots of question marks next to it. When I released it, then I could release D partition (Windows 7) and reassign it to C.

I rebooted, it took a long time to come up, but it did in my original configuration. I've since rebooted several times and all seems to be as it should be, and reboot time is normal.

Thanks, gregrocker and barefoot and everyone else who helped. Couldn't have done it without your expert help.

EdB
My System SpecsSystem Spec
22 Mar 2011   #15
Microsoft MVP

 

This is a very rare occurence normally caused by the drive letter slipped during reimaging, however in your case I believe it is boot sector corruption causing OEM partition to grab C during repartitioning.

The Oem partition has no function if you are not using the original OS installed upon the machine. (You can browse what is on the OEM partition by rightclicking it to Explore using PWBD, or by giving it a letter in Disk Mgmt to open in Explorer.) It would be probably best to recover its space into Windows 7 along with XP.

In fact, the problems you have encountered strongly suggest you should wipe your HD to clean reinstall to overcome boot sector corruption since that partition sits on the boot sector. You can temporarily wipe the partition by itself by using free Partition Bootable CD: Partition Wizard Use the Bootable CD - Windows 7 Forums

SSD - HDD Optimize for Windows Reinstallation - Windows 7 Forums
Reinstalling Windows 7 - Windows 7 Forums
My System SpecsSystem Spec
23 Mar 2011   #16
Microsoft MVP

W 7 64-bit Ultimate
 
 

Hello again Ed.

I am finding that some OEM manufacturers put some kind of "lock" on their partitions and the only way to delete them is by booting to a command window and running this command.
delete partition override <enter>

DISKPART : At PC Startup
I think this is the second time I've run into this same-type issue.
click to enlarge
Name:  Override.jpg
Views: 5
Size:  163.7 KB
One question about the way you ran Step One, after you marked the Windows 7 partition as Active you did do the 3 separate startup repairs to get Windows 7 booting on its own as the "System" partition before you moved on to Step Two?


My System SpecsSystem Spec
23 Mar 2011   #17
EdB

Windows 7
 
 

Responding to your comments:

OEM/boot sector: I imagine you're right about the OEM partition being the problem; it's disconcerting to think it might've corrupted the boot sector though. I did think of recovering the OEM section but was uncertain what else Dell might've put in there that might render the computer unusable if removed.

As to re-formatting and reinstall, 1) I dread the thought of reinstalling everything (ever lost a day or three to reinstalling Adobe software? Nightmare!) and 2) I have the Windows 7 upgrade disk, not the clean install; doesn't it need to see a previous OS to qualify? How critical do you think a reinstall is?

And yes, I did run the three startup repairs before step 2. Still wound up with the blue screen "not genuine" message.

Thanks,
EdB
My System SpecsSystem Spec
23 Mar 2011   #18
Microsoft MVP

W 7 64-bit Ultimate
 
 

Are you able to use Windows, either one, at all right now?


Have a look at this one, I'm not really suggesting a complete reinstall yet.

Do a Clean Install with a Upgrade Windows 7 Version
My System SpecsSystem Spec
23 Mar 2011   #19
EdB

Windows 7
 
 

Oh, yes! I'm sorry if I didn't make that clear!

All works fine now after using gregrocker's Repair disk to reorder the letters. XP is gone, Windows 7 has the bulk of the drive, and the OEM partition sits there lurking like a virus. Here's a shot of the disk config:


Attached Thumbnails
Remove XP from a dual boot system-capture.jpg  
My System SpecsSystem Spec
23 Mar 2011   #20
Microsoft MVP

W 7 64-bit Ultimate
 
 

Well that makes me happy, I thought you had a system that wouldn't boot to either OS.



Are you comfortable using an elevated command window to delete that OEM partition as outlined above and then you could recover that space into the Windows 7 partition with the PWBD?

You would have to give it a drive letter in Windows 7 disk management first.
My System SpecsSystem Spec
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